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Is it located here? I guess I don't really need the engine model number, I need the carb model number.

thanks, I have a Walbro carb based on a reply from you last year, when I was trying to identify it. is there more info that I need to order the pin, or are all Walbro needles the same?

here is my theory, using my limited knowledge. gas is leaking because of my needle and seat. If the gas is getting combusted, it wont leak into the oil. so when its running it wont leak into the oil. it leaks in to the oil when it sitting not running. so if I use a fuel shut off and run it...

Thanks for the direction so far. I still need to do them, life got in my way. I do have gas in the oil. I changed the oil. (the last 2 times I put the mower away I just turned it off, I did not use the fuel cut off, or run it dry) last time I put it away I turned off the gas and let in run...

When I first got the engine the needle was completely dislodged from the seat. I put it back and hoped that fixed the gas in the oil issue. I’ll check the oil.

I picked up feeler gages and I will check the valves and I will get to see if it starts after one try when I put the flywheel just after the hard spot. When I put it away I turned off the gas and ran it dry. I may be leaking gas because when I left the fuel line opened, I lost gas. And I...

Just throwing a little more info in this thread. I did buy the engine used and it was sitting in a tractor outside when I bought it. I used it all last season. Every time I ran it i shut off the fuel line before I put it away and let it run out of gas. This time I did not, the gas was left...

B and S 17.5 HP I/C. When I turn the key to start it the fly wheel stops at one point. I have to stop, turn the flywheel by hand past the hard point. I have to do this a coupe of times before it starts. Its getting worse and worse. starter, battery warped cylinder?

Thanks for the help guys, this one took an unexpected turn. I couldn't get the fuel solenoid off, because it was horizontal, not vertical and the flat part of the nut was on the side, so I could not get a wrench in there without taking off the muffler assembly or whatever is on top. I did...

My dads John Deere X330 wont start. Its about 3 seasons old. a couple cuts ago it quit running mid cut and he couldn't get it started. The air filter was caked with dirt. I cleaned it and the mower started up and ran. 2 weeks later the mower cut out mid cut again. air filter was still clean...

I took the battery out, meter said 9 volts, I put it on a charger for a couple of hours and the volts read 12.4. I let the battery set (no charger) A day later the volts read 12.1 I can test the alternator just like a car battery? I should be getting above 12 volts with it running?

I bought a brand new battery, started my riding lawnmower 1 time. When I am putting it away, I use the fuel shutoff I put in, and let the engine run out of gas. I get side tracked and never turn the key off of run. the engine counter put 100 hours on it. I tried to start it today and got...

maybe i can siphon some out of the fill hole.

How high would I need to get my riding lawn mower wheels up so oil does not come out of the oil drain hole when I remove the drain plug? I want to add a oil drain hose to the oil drain hole so I don't have another Valdez oil spill in my garage when I change the oil. if I got the "drivers" side...

took the carb off, cleaned it up. The needle was completely dislodged from the seat. I put it back in the right place, put it all back together and it started and ran good. The oil is very watery, I guess that is from the gas going into the oil. Ill do an oil change and see how it does.

what do people think about the cheap Chinese carbs? I see tons of good reviews

That is almost exactly what I did. But I bought a working engine from a mower with a trans issue. I got the engine and 2 wheels for $150. now I have an engine that I can't tell the model of, because the valve cover is rusted and a Waldro carb that need some rehab. New needle and seat and new...

this is what I am working with

its there on the valve cover, I just cant read it, because its rusted over.

I cant figure out what engine I have. It is probably stamped on the valve cover, but it is rusted over and I cant read it. Is this a Walbro? I see 4993, LMT and 75 stamped on it. What needle and seat do I get?

so my vent tube was completely split in two and gas was leaking out of that. There was a piece of the vent tube stuck in the piece that was left on the carb so gas could not just flow out of it, there was just a little hole for the gas to come out of. the fact that the engine was off and gas...

Thanks for all of the help so far. I just thought of something, the battery on my tractor is dead, I jump start it. Could the carb leaking gas have something to do with the anti backfire valve on the bottom of the carb bowl? it needs electricity to work, so when I turn my tractor off it does...

Having trouble finding anything on the engine, i did find Family YBSXS.5012VP 274826 17.5 I/C

I'm going to say yes the oil smells like gas. not overwhelmingly though.

So my junkyard replacement engine starts, runs and cuts grass. I did nothing to the engine but remove it from the old riding lawn mower and put it on mine and hooked it up. I did not clean the carb. 1. It smokes when I run it with the choke, but is calms down and runs great when I move the...

alright, so I got the engine in and it starts and runs. 1. I want to put a fuel cut off on the fuel line (gravity fed). Does the cut off go before the fuel filter or after the fuel filter? 2. there are some ethanol free gas place close to me. Is ethanol free gas worth the $1 more a gallon...

alright I took another shot at the drive pulley and got it off with a 5 foot pry bar. I got the engine off and I found a $150 used engine. The used engine is a 17.5 HP intek, and the old engine is a 20 HP intek. Will those lost 3.5 HP make a difference?

still cant decide. $250 for a used engine $600 for a new engine $500 for a used lawn tractor that is comparable to the one I have. the one I have has 450 hours on it, stored inside, before it went down it got new belts and blades sharpened.

Ok, so I found a buddy who has air tools I'm going to just swing it over there and take the stuck drive pulley off. When I am loading it up, I see a hole in the side of the engine. So that engine is beyond repair. My choices are new engine $600 or I found a used engine for $250 What are...

no torch. no way a heat gun gets hot enough right?

Thanks for the tips so far. This thing may beat me! I still cant get it off. I do not have an air hammer. I'm trying to stir one up. If I was positive I would be replacing the engine, I would just cut the crank shaft off. I cant remove the engine without removing the drive pulley. I can't...

This thing is a bear. Lets take a step back. I just want to make sure we are talking about the same thing. I have a Milwaukee electric impact driver. The mid level one. I'm supposed to put the bolt, with out the lock washer, back in the driveshaft (the bolt holds on the drive pulley). I'm...

couldn't get it off first try. I got it soaking interpenetrating oil now. I'm confused on how the bolt would help. If the pulley does not have threads it wont act like a bearing puller/crank puller. what does putting the bolt back in help?

I'm having trouble getting the main drive pulley off. I got the bolt out, but the pulley is stuck on the shaft. I got some lubricating oil on it. Its at a bad angle to hut it with a hammer. Anyone got any tips to get this off?

thanks, Hopefully I can get it apart this week. so right now it looks like a similar new engine is running in the 5 to 6 hundred dollar range. looks like used ebay crankshaft, new conrod and gaskets will run about $150. I also broke off a bolt with a torque wrench putting the head back on...

I got a free lawn tractor, Husqvarna YTH2042, that I am trying to get running. 450 hrs on the engine. From what I can tell the engine had a head gasket failure, it burned all of the oil out and then broke the connecting rod. I took the head off and can confirm the gasket issue and broken rod...